The year 2020 ended with a potential detection by the Breakthrough Listen project of an artificial signal coming from Proxima Centauri. But there was no indication of structure or modulation in the signal, no evidence that it carried any information.
Can an extraterrestrial organism produce a catastrophic pandemic on our planet? Such a question arises every time we consider bringing samples from other worlds in the Solar System, especially now, amidst the COVID-19 pandemic.
We seem to be living a sweet moment for manned exploration missions to Mars. There are several projects underway, both by private companies and space agencies, which aim to be the first to put a human being on Mars. Does this mean that we are now going to make the ancient dream of stepping on Mars come true?
One of the current hotspots in astrobiology is the search for water in exoplanets. We all seem to share the idea that water is essential for the existence of life, and even the assumption that water and life are almost synonymous.
[caption id="attachment_44035" align="alignleft" width="320"] First stage of the Falcon 9 rocket landing on SpaceX's floating platform. / Mètode[/caption]
When NASA was founded, the USAF (United States Air Force) was deep into the development
If anything makes space travel particular is its roughness: fuel bursting in a controlled explosion, which, more than once, end up being uncontrolled. But space exploration based on chemical rockets is well established, it
ESA/Hubble & NASA
Travelling at hyperluminal speeds would open to humanity the possibility of exploring the whole galaxy, and even, perhaps, other galaxies. In the image, the UGC 12158, photographed by
You probably remember Steven Spielberg's 1977 film Close Encounters of the Third Kind in which, in a memorable final scene, humans communicate with aliens with music, specially with that well known "D E C C G" melody that would be later hummed by everyone.
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